Collection includes American Inns of Court records, including correspondence, newsletters, photographs, project records, and oral history transcripts and audio recordings with instrumental figures, including Chief Justice Burger, Justice O'Connor, and Rex E. Lee. Also contains papers documenting the development of The American Inns of Court. Materials dated 1967-1997.

Typescripts (carbon copies) of legal and other correspondence written by Crowder in his capacity of Major and Judge Advocate.

Primarily correspondence reflecting his work as a lawyer. Includes a letterpress book containing copies of outgoing correspondence, 1898-1907, written mostly in Marshfield; letters received in Roseburg, 1914; and a few other items, some of which relate to his father, J. H. Upton. Correspondence focuses on land and law.